Kaimal AJ. 2014. Assessment of fetal health. In Creasy RK, Resnik R, Iams JD, et
al. (Eds.) Creasy and Resnik's Maternal-Fetal Medicine: Principles and Practice
(7th ed.) (473-487).Saunders.
Greenberg MB, Druzin ML, and Gabbe SG. Antepartum fetal evaluation. 2012 In Gabbe
SG, Niebyl JR, Galan HL, et al. (Eds.). Obstetrics: normal and problem pregnancies.
(6th ed.) (237-263). Elsevier Health Sciences.
Swartz MH (Ed). 2014. The pregnant patient. Textbook of physical diagnosis:
history and examination. (7th ed.)(651-670).Saunders.
Guidelines for perinatal care / American Academy of Pediatrics [and] the American
College of Obstetricians and Gynecologists.—7th ed.